Table 1 : Comparison of methane producers (n=5) versus non-methane producers
(n=15) (mean ± SD).

Parameters	Methane positive subjects N=5	Non-methane subjects N=15	P value*
Age (yrs)	48.8±10.0	37.7±12.1	P=0.17
BMI† (kg/m2)	23.9±0.2	25.0±8.0	P=0.53
Fasting blood glucose (mg/dL)	77.6±14.5	80.26±8.10	P=0.6
Insulin (µU/mL)	7.16±3.85	11.06±7.44	P=0.28
Baseline НОМА-IR‡	1.32 ± 0.72	2.21±1.52	P=0.23
180 minutes glucose AUC§ post OGTT (mg/dL)	774.2±140.3	585.5±128.3	P=0.03

*P<0.05 considered statistically significant
^†BMI: Body mass index
^‡HOMA-IR: Homeostasis model of insulin resistance
^§AUC: Area under the curve
OGTT: 75 gm Oral glucose tolerance test